Electrochemical sensor for determining analyte in the presence of interferent and method of using the sensor

Electrochemical sensor for determining analyte in the presence of interferent and method of using the sensor

Electrochemical sensor for determining analyte in the presence of interferent, particularly carbon monoxide in the presence of hydrogen. An electrochemical cell is designed so that current flow resulting from reference electrode potential shift caused by interferent cancels out the current flow caus...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DAWSON DARRYL H, HITCHMAN MICHAEL L, SAFFELL JOHN R
Format: Patent
Sprache:eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:Electrochemical sensor for determining analyte in the presence of interferent, particularly carbon monoxide in the presence of hydrogen. An electrochemical cell is designed so that current flow resulting from reference electrode potential shift caused by interferent cancels out the current flow caused by interferent at the working electrode. Another electrochemical cell corrects for interferent concentration using the potential difference between a reference electrode in contact with interferent and a referent electrode not affected by inteferent.